JEE MAIN - Mathematics Hindi (2022 - 25th June Evening Shift - No. 15)

माना $$A=\left(\begin{array}{cc}2 & -2 \\ 1 & -1\end{array}\right)$$ तथा $$B=\left(\begin{array}{rr}-1 & 2 \\ -1 & 2\end{array}\right)$$ हैं $$\mid$$ तो समुच्चय $$\left\{(n, m): n, m \in\{1,2, \ldots \ldots, 10\}\right.$$ तथा $$\left.n A^{n}+m B^{m}=I\right\}$$ है में अवयवों की संख्या है _________________
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